unhappiness, woe
An instance or cause of unhappiness.
To feel or express grief.
To feel grief over; to mourn, regret.
Suffering, hardship. from early 13th c.
Pain of mind arising from misfortune, significant personal loss, bereavement, misconduct of oneself or others, etc.; sorrow; sadness. from early 14th c.
Cause or instance of sorrow or pain; that which afflicts or distresses; trial.
To deliberately harass and annoy or cause grief to other players of a game in order to interfere with their enjoyment of it; especially, to do this as one’s primary activity in the game. from late 20th Century